Russian mathematician (1891-1983).
Born September 14th, 1891. [ref]
Died March 20th, 1983 at 91 years old in Moscow. [ref]
Death is the destination we all share. No one has ever escaped it. And that is as it should be because death is very likely the single best invention of life. It is life’s change agent, it clears out the old to make way for the new. Steve Jobs